Index: trunk/src/plugins/rt_topo/crbs_route.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_route.c	(revision 1444)
+++ trunk/src/plugins/rt_topo/crbs_route.c	(revision 1445)
@@ -319,7 +319,12 @@
 
 
 		while(a->grbs_idx < 5) {
-			if (crbs_trace_ast) printf(" try from %s P%ld to P%ld", from_type, curr->pt->uid, pt->gpt->uid);
+			if (crbs_trace_ast) {
+				if ((curr->type & 0x0F) == ADDR_ARC_VCONCAVE)
+					printf(" try from %s P%ld (real %.2f %.2f) to P%ld", from_type, curr->pt->uid, curr[1].pt->x, curr[1].pt->y, pt->gpt->uid);
+				else
+					printf(" try from %s P%ld to P%ld", from_type, curr->pt->uid, pt->gpt->uid);
+			}
 			if (crbs->disable_vconcave) {
 				if (a->grbs_idx < 3)
 					a->grbs_idx = 3;